package net.m2technologies.open_arm.utilities.generic_object_functions;

import java.util.ArrayList;
import java.util.Collection;

/**
 * Copyright 2005 Mark Masterson<br> <br> Licensed under the Apache License, Version 2.0 (the "License");<br> you may
 * not use this file except in compliance with the License.<br> You may obtain a copy of the License at<br> <br>
 * http://www.apache.org/licenses/LICENSE-2.0<br> <br> Unless required by applicable law or agreed to in writing,
 * software<br> distributed under the License is distributed on an "AS IS" BASIS,<br> WITHOUT WARRANTIES OR CONDITIONS
 * OF ANY KIND, either express or implied.<br> See the License for the specific language governing permissions and<br>
 * limitations under the License.<br>
 * <p/>
 * <p>Description: </p>
 *
 * @author Mark Masterson
 * @version 0.010
 */
abstract class AbstractPrimitiveObjectArrayWrapper {

    protected abstract boolean checkType(final Class type);

    protected abstract int getArrayLength(final Object originalObject);

    protected abstract Object getPrimitiveAsObject(final int arrayIndex);

    public boolean isMyType(final Object originalObject) {
        return null != originalObject && checkType(originalObject.getClass().getComponentType());
    }

    public Object[] convertObjectToObjectArray(final Object originalObject) {
        final Collection result = originalObject.getClass().isArray() ? new ArrayList() : null;
        if (null != result) {
            final int arrayLength = getArrayLength(originalObject);
            for (int i = 0; i < arrayLength; i++) {
                final Object element = getPrimitiveAsObject(i);
                if (null != element) result.add(element);
            }
            return result.isEmpty() ? null : result.toArray();
        } else {
            return null;
        }
    }
}
